ATSA Speed and Distance Calculations 3

Question 1

What is the minimum en route radar separation standard used by FAA controllers in domestic airspace?

Accepted Answer

5 nautical miles

Answer

3 nautical miles

Answer

10 nautical miles

Answer

1 nautical mile

Question 2

An aircraft at FL280 must descend to 10,000 feet MSL at a rate of 2,000 feet per minute. How long will the descent take?

Accepted Answer

9 minutes

Answer

6 minutes

Answer

12 minutes

Answer

15 minutes

Question 3

An aircraft is 60 nm from the airport flying at 360 knots. ATC issues a speed reduction instruction effective 5 minutes from now. How far from the airport will the aircraft be when the restriction takes effect?

Accepted Answer

30 nm

Answer

40 nm

Answer

20 nm

Answer

50 nm

Question 4

A controller estimates Aircraft A will reach a reporting fix in 8 minutes and Aircraft B will reach the same fix in 5 minutes. Both aircraft are flying at 300 knots on the same route. What is the current distance separation between them?

Accepted Answer

15 nm

Answer

10 nm

Answer

20 nm

Answer

25 nm

Question 5

A pilot reports 3 hours of fuel remaining. The destination is 500 nm away. What minimum groundspeed must the pilot maintain to arrive with a 30-minute fuel reserve?

Accepted Answer

200 knots

Answer

250 knots

Answer

167 knots

Answer

300 knots

Question 6

Two aircraft are heading to the same VOR fix. Aircraft A is 50 nm away at 300 knots; Aircraft B is 60 nm away at 300 knots. What time separation will exist when both aircraft pass the fix?

Accepted Answer

2 minutes

Answer

4 minutes

Answer

5 minutes

Answer

1 minute

Question 7

At a groundspeed of 360 knots, a controller needs to create a 10-minute delay for an aircraft before it enters congested airspace. Approximately how many extra nautical miles of routing must be added?

Accepted Answer

60 nm

Answer

36 nm

Answer

90 nm

Answer

45 nm